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        <h1><a href="../../../../../../index.html">All files</a> / <a href="index.html">tts/src/custom-ui/uni-ui/lib/uni-forms</a> utils.js</h1>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js"><span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" ><span class="branch-0 cbranch-no" title="branch not covered" >/**</span></span></span>
<span class="cstat-no" title="statement not covered" > * 简单处理对象拷贝</span>
<span class="cstat-no" title="statement not covered" > * @param {Obejct} 被拷贝对象</span>
<span class="cstat-no" title="statement not covered" > * @@return {Object} 拷贝对象</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const deepCopy = (val) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    return JSON.parse(JSON.stringify(val));</span>
<span class="cstat-no" title="statement not covered" >};</span>
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 过滤数字类型</span>
<span class="cstat-no" title="statement not covered" > * @param {String} format 数字类型</span>
<span class="cstat-no" title="statement not covered" > * @@return {Boolean} 返回是否为数字类型</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const typeFilter = (format) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    return format === "int" || format === "double" || format === "number" || format === "timestamp";</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 把 value 转换成指定的类型，用于处理初始值，原因是初始值需要入库不能为 undefined</span>
<span class="cstat-no" title="statement not covered" > * @param {String} key 字段名</span>
<span class="cstat-no" title="statement not covered" > * @param {any} value 字段值</span>
<span class="cstat-no" title="statement not covered" > * @param {Object} rules 表单校验规则</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const getValue = (key, value, rules) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    const isRuleNumType = rules.find((val) =&gt; val.format &amp;&amp; typeFilter(val.format));</span>
<span class="cstat-no" title="statement not covered" >    const isRuleBoolType = rules.find((val) =&gt; (val.format &amp;&amp; val.format === "boolean") || val.format === "bool");</span>
<span class="cstat-no" title="statement not covered" >    // 输入类型为 number</span>
<span class="cstat-no" title="statement not covered" >    if (isRuleNumType) {</span>
<span class="cstat-no" title="statement not covered" >        if (!value &amp;&amp; value !== 0) {</span>
<span class="cstat-no" title="statement not covered" >            value = null;</span>
<span class="cstat-no" title="statement not covered" >        } else {</span>
<span class="cstat-no" title="statement not covered" >            value = isNumber(Number(value)) ? Number(value) : value;</span>
<span class="cstat-no" title="statement not covered" >        }</span>
<span class="cstat-no" title="statement not covered" >    }</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    // 输入类型为 boolean</span>
<span class="cstat-no" title="statement not covered" >    if (isRuleBoolType) {</span>
<span class="cstat-no" title="statement not covered" >        value = isBoolean(value) ? value : false;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    return value;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 获取表单数据</span>
<span class="cstat-no" title="statement not covered" > * @param {String|Array} name 真实名称，需要使用 realName 获取</span>
<span class="cstat-no" title="statement not covered" > * @param {Object} data 原始数据</span>
<span class="cstat-no" title="statement not covered" > * @param {any} value  需要设置的值</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const setDataValue = (field, formdata, value) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    formdata[field] = value;</span>
<span class="cstat-no" title="statement not covered" >    return value || "";</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 获取表单数据</span>
<span class="cstat-no" title="statement not covered" > * @param {String|Array} field 真实名称，需要使用 realName 获取</span>
<span class="cstat-no" title="statement not covered" > * @param {Object} data 原始数据</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const getDataValue = (field, data) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    return objGet(data, field);</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 获取表单类型</span>
<span class="cstat-no" title="statement not covered" > * @param {String|Array} field 真实名称，需要使用 realName 获取</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const getDataValueType = (field, data) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    const value = getDataValue(field, data);</span>
<span class="cstat-no" title="statement not covered" >    return {</span>
<span class="cstat-no" title="statement not covered" >        type: type(value),</span>
<span class="cstat-no" title="statement not covered" >        value</span>
<span class="cstat-no" title="statement not covered" >    };</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 获取表单可用的真实name</span>
<span class="cstat-no" title="statement not covered" > * @param {String|Array} name 表单name</span>
<span class="cstat-no" title="statement not covered" > * @@return {String} 表单可用的真实name</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const realName = (name, data = {}) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    const base_name = _basePath(name);</span>
<span class="cstat-no" title="statement not covered" >    if (typeof base_name === "object" &amp;&amp; Array.isArray(base_name) &amp;&amp; base_name.length &gt; 1) {</span>
<span class="cstat-no" title="statement not covered" >        const realname = base_name.reduce((a, b) =&gt; (a += `#${b}`), "_formdata_");</span>
<span class="cstat-no" title="statement not covered" >        return realname;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    return base_name[0] || name;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 判断是否表单可用的真实name</span>
<span class="cstat-no" title="statement not covered" > * @param {String|Array} name 表单name</span>
<span class="cstat-no" title="statement not covered" > * @@return {String} 表单可用的真实name</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const isRealName = (name) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    const reg = /^_formdata_#*/;</span>
<span class="cstat-no" title="statement not covered" >    return reg.test(name);</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 获取表单数据的原始格式</span>
<span class="cstat-no" title="statement not covered" > * @@return {Object|Array} object 需要解析的数据</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const rawData = (object = {}, name) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    let newData = JSON.parse(JSON.stringify(object));</span>
<span class="cstat-no" title="statement not covered" >    let formData = {};</span>
<span class="cstat-no" title="statement not covered" >    for (let i in newData) {</span>
<span class="cstat-no" title="statement not covered" >        let path = name2arr(i);</span>
<span class="cstat-no" title="statement not covered" >        objSet(formData, path, newData[i]);</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    return formData;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 真实name还原为 array</span>
<span class="cstat-no" title="statement not covered" > * @param {*} name</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const name2arr = (name) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    let field = name.replace("_formdata_#", "");</span>
<span class="cstat-no" title="statement not covered" >    field = field.split("#").map((v) =&gt; (isNumber(v) ? Number(v) : v));</span>
<span class="cstat-no" title="statement not covered" >    return field;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 对象中设置值</span>
<span class="cstat-no" title="statement not covered" > * @param {Object|Array} object 源数据</span>
<span class="cstat-no" title="statement not covered" > * @param {String| Array} path 'a.b.c' 或 ['a',0,'b','c']</span>
<span class="cstat-no" title="statement not covered" > * @param {String} value 需要设置的值</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const objSet = (object, path, value) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    if (typeof object !== "object") return object;</span>
<span class="cstat-no" title="statement not covered" >    _basePath(path).reduce((o, k, i, _) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >        if (i === _.length - 1) {</span>
<span class="cstat-no" title="statement not covered" >            // 若遍历结束直接赋值</span>
<span class="cstat-no" title="statement not covered" >            o[k] = value;</span>
<span class="cstat-no" title="statement not covered" >            return null;</span>
<span class="cstat-no" title="statement not covered" >        } else if (k in o) {</span>
<span class="cstat-no" title="statement not covered" >            // 若存在对应路径，则返回找到的对象，进行下一次遍历</span>
<span class="cstat-no" title="statement not covered" >            return o[k];</span>
<span class="cstat-no" title="statement not covered" >        } else {</span>
<span class="cstat-no" title="statement not covered" >            // 若不存在对应路径，则创建对应对象，若下一路径是数字，新对象赋值为空数组，否则赋值为空对象</span>
<span class="cstat-no" title="statement not covered" >            o[k] = /^[0-9]{1,}$/.test(_[i + 1]) ? [] : {};</span>
<span class="cstat-no" title="statement not covered" >            return o[k];</span>
<span class="cstat-no" title="statement not covered" >        }</span>
<span class="cstat-no" title="statement not covered" >    }, object);</span>
<span class="cstat-no" title="statement not covered" >    // 返回object</span>
<span class="cstat-no" title="statement not covered" >    return object;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >// 处理 path， path有三种形式：'a[0].b.c'、'a.0.b.c' 和 ['a','0','b','c']，需要统一处理成数组，便于后续使用</span>
<span class="cstat-no" title="statement not covered" >function _basePath(path) {</span>
<span class="cstat-no" title="statement not covered" >    // 若是数组，则直接返回</span>
<span class="cstat-no" title="statement not covered" >    if (Array.isArray(path)) return path;</span>
<span class="cstat-no" title="statement not covered" >    // 若有 '[',']'，则替换成将 '[' 替换成 '.',去掉 ']'</span>
<span class="cstat-no" title="statement not covered" >    return path.replace(/\[/g, ".").replace(/\]/g, "").split(".");</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 从对象中获取值</span>
<span class="cstat-no" title="statement not covered" > * @param {Object|Array} object 源数据</span>
<span class="cstat-no" title="statement not covered" > * @param {String| Array} path 'a.b.c' 或 ['a',0,'b','c']</span>
<span class="cstat-no" title="statement not covered" > * @param {String} defaultVal 如果无法从调用链中获取值的默认值</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const objGet = (object, path, defaultVal = "undefined") =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    // 先将path处理成统一格式</span>
<span class="cstat-no" title="statement not covered" >    let newPath = _basePath(path);</span>
<span class="cstat-no" title="statement not covered" >    // 递归处理，返回最后结果</span>
<span class="cstat-no" title="statement not covered" >    let val = newPath.reduce((o, k) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >        return (o || {})[k];</span>
<span class="cstat-no" title="statement not covered" >    }, object);</span>
<span class="cstat-no" title="statement not covered" >    return !val || val !== undefined ? val : defaultVal;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 是否为 number 类型</span>
<span class="cstat-no" title="statement not covered" > * @param {any} num 需要判断的值</span>
<span class="cstat-no" title="statement not covered" > * @return {Boolean} 是否为 number</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const isNumber = (num) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    return !isNaN(Number(num));</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 是否为 boolean 类型</span>
<span class="cstat-no" title="statement not covered" > * @param {any} bool 需要判断的值</span>
<span class="cstat-no" title="statement not covered" > * @return {Boolean} 是否为 boolean</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const isBoolean = (bool) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    return typeof bool === "boolean";</span>
<span class="cstat-no" title="statement not covered" >};</span>
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 是否有必填字段</span>
<span class="cstat-no" title="statement not covered" > * @param {Object} rules 规则</span>
<span class="cstat-no" title="statement not covered" > * @return {Boolean} 是否有必填字段</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const isRequiredField = (rules) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    let isNoField = false;</span>
<span class="cstat-no" title="statement not covered" >    for (let i = 0; i &lt; rules.length; i++) {</span>
<span class="cstat-no" title="statement not covered" >        const ruleData = rules[i];</span>
<span class="cstat-no" title="statement not covered" >        if (ruleData.required) {</span>
<span class="cstat-no" title="statement not covered" >            isNoField = true;</span>
<span class="cstat-no" title="statement not covered" >            break;</span>
<span class="cstat-no" title="statement not covered" >        }</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    return isNoField;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 获取数据类型</span>
<span class="cstat-no" title="statement not covered" > * @param {Any} obj 需要获取数据类型的值</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const type = (obj) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    var class2type = {};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    // 生成class2type映射</span>
<span class="cstat-no" title="statement not covered" >    "Boolean Number String Function Array Date RegExp Object Error".split(" ").map(function (item, index) {</span>
<span class="cstat-no" title="statement not covered" >        class2type["[object " + item + "]"] = item.toLowerCase();</span>
<span class="cstat-no" title="statement not covered" >    });</span>
<span class="cstat-no" title="statement not covered" >    if (obj == null) {</span>
<span class="cstat-no" title="statement not covered" >        return obj + "";</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    return typeof obj === "object" || typeof obj === "function"</span>
<span class="cstat-no" title="statement not covered" >        ? class2type[Object.prototype.toString.call(obj)] || "object"</span>
<span class="cstat-no" title="statement not covered" >        : typeof obj;</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >/**</span>
<span class="cstat-no" title="statement not covered" > * 判断两个值是否相等</span>
<span class="cstat-no" title="statement not covered" > * @param {any} a 值</span>
<span class="cstat-no" title="statement not covered" > * @param {any} b 值</span>
<span class="cstat-no" title="statement not covered" > * @return {Boolean} 是否相等</span>
<span class="cstat-no" title="statement not covered" > */</span>
<span class="cstat-no" title="statement not covered" >export const isEqual = (a, b) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    //如果a和b本来就全等</span>
<span class="cstat-no" title="statement not covered" >    if (a === b) {</span>
<span class="cstat-no" title="statement not covered" >        //判断是否为0和-0</span>
<span class="cstat-no" title="statement not covered" >        return a !== 0 || 1 / a === 1 / b;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    //判断是否为null和undefined</span>
<span class="cstat-no" title="statement not covered" >    if (a == null || b == null) {</span>
<span class="cstat-no" title="statement not covered" >        return a === b;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    //接下来判断a和b的数据类型</span>
<span class="cstat-no" title="statement not covered" >    var classNameA = toString.call(a),</span>
<span class="cstat-no" title="statement not covered" >        classNameB = toString.call(b);</span>
<span class="cstat-no" title="statement not covered" >    //如果数据类型不相等，则返回false</span>
<span class="cstat-no" title="statement not covered" >    if (classNameA !== classNameB) {</span>
<span class="cstat-no" title="statement not covered" >        return false;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    //如果数据类型相等，再根据不同数据类型分别判断</span>
<span class="cstat-no" title="statement not covered" >    switch (classNameA) {</span>
<span class="cstat-no" title="statement not covered" >        case "[object RegExp]":</span>
<span class="cstat-no" title="statement not covered" >        case "[object String]":</span>
<span class="cstat-no" title="statement not covered" >            //进行字符串转换比较</span>
<span class="cstat-no" title="statement not covered" >            return "" + a === "" + b;</span>
<span class="cstat-no" title="statement not covered" >        case "[object Number]":</span>
<span class="cstat-no" title="statement not covered" >            //进行数字转换比较,判断是否为NaN</span>
<span class="cstat-no" title="statement not covered" >            if (+a !== +a) {</span>
<span class="cstat-no" title="statement not covered" >                return +b !== +b;</span>
<span class="cstat-no" title="statement not covered" >            }</span>
<span class="cstat-no" title="statement not covered" >            //判断是否为0或-0</span>
<span class="cstat-no" title="statement not covered" >            return +a === 0 ? 1 / +a === 1 / b : +a === +b;</span>
<span class="cstat-no" title="statement not covered" >        case "[object Date]":</span>
<span class="cstat-no" title="statement not covered" >        case "[object Boolean]":</span>
<span class="cstat-no" title="statement not covered" >            return +a === +b;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    //如果是对象类型</span>
<span class="cstat-no" title="statement not covered" >    if (classNameA == "[object Object]") {</span>
<span class="cstat-no" title="statement not covered" >        //获取a和b的属性长度</span>
<span class="cstat-no" title="statement not covered" >        var propsA = Object.getOwnPropertyNames(a),</span>
<span class="cstat-no" title="statement not covered" >            propsB = Object.getOwnPropertyNames(b);</span>
<span class="cstat-no" title="statement not covered" >        if (propsA.length != propsB.length) {</span>
<span class="cstat-no" title="statement not covered" >            return false;</span>
<span class="cstat-no" title="statement not covered" >        }</span>
<span class="cstat-no" title="statement not covered" >        for (var i = 0; i &lt; propsA.length; i++) {</span>
<span class="cstat-no" title="statement not covered" >            var propName = propsA[i];</span>
<span class="cstat-no" title="statement not covered" >            //如果对应属性对应值不相等，则返回false</span>
<span class="cstat-no" title="statement not covered" >            if (a[propName] !== b[propName]) {</span>
<span class="cstat-no" title="statement not covered" >                return false;</span>
<span class="cstat-no" title="statement not covered" >            }</span>
<span class="cstat-no" title="statement not covered" >        }</span>
<span class="cstat-no" title="statement not covered" >        return true;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >    //如果是数组类型</span>
<span class="cstat-no" title="statement not covered" >    if (classNameA == "[object Array]") {</span>
<span class="cstat-no" title="statement not covered" >        if (a.toString() == b.toString()) {</span>
<span class="cstat-no" title="statement not covered" >            return true;</span>
<span class="cstat-no" title="statement not covered" >        }</span>
<span class="cstat-no" title="statement not covered" >        return false;</span>
<span class="cstat-no" title="statement not covered" >    }</span>
<span class="cstat-no" title="statement not covered" >};</span>
&nbsp;</pre></td></tr></table></pre>

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